What is “chmod” command?

1189

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Which command is used to find whether the system is 32 bit or 64 bit?

1156

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Which unix command lists files/folders in alphabetical order?

1770

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Name the various commands that are used for the user information in unix.

1093

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Can you explain a little bit about command substitution?

1120

---

Describe the zip/unzip command using gzip.

1168

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Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1223

---

Explain ‘library functions’ with respect to unix commands?

1177

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What is the command to find hidden files in the current directory?

1196

---

What is the unix command to confirm a remote host is alive or not?

1223

---

What do chmod, chown, chgrp commands do?

1297

---

What is the command to find maximum memory taking process on the server?

1229

---

Explain mount and unmount command.

1231

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What is the fork() system call?

947

---

What are the possible return values of kill() system call?

848

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